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17. In the acute - angled triangle OPQ, the altitude OR makes angles A and B with OP and OQ. Show by means of areas that if OP-q, OQ=p, OR=r: p.q.Sin(A+B) = q.r.SinA + p.r. SinB.

17. In the acute - angled triangle OPQ, the altitude OR makes angles A and B with OP and OQ. Show by means of areas that if OP-q, OQ=p, OR=r: p.q.Sin(A+B) = q.r.SinA + p.r. SinB.

Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter5: Trigonometric Functions: Right Triangle Approach
Section5.CR: Chapter Review
Problem 10CC
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17. In the acute - angled triangle OPQ, the altitude OR makes angles A and B with OP and OQ. Show by means of areas that if OP-q, OQ=p, OR=r: p.q.Sin(A+B) = q.r.SinA +p.r. SinB.
Transcribed Image Text:17. In the acute - angled triangle OPQ, the altitude OR makes angles A and B with OP and OQ. Show by means of areas that if OP-q, OQ=p, OR=r: p.q.Sin(A+B) = q.r.SinA +p.r. SinB.
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